diff --git a/addons/marketing_campaign/marketing_campaign.py b/addons/marketing_campaign/marketing_campaign.py
index ce8bafe89b6..a46430c6cfd 100644
--- a/addons/marketing_campaign/marketing_campaign.py
+++ b/addons/marketing_campaign/marketing_campaign.py
@@ -160,7 +160,7 @@ Normal - the campaign runs normally and automatically sends all emails and repor
     def _get_partner_for(self, campaign, record):
         partner_field = campaign.partner_field_id.name
         if partner_field:
-            return getattr(record, partner_field)
+            return record[partner_field]
         elif campaign.object_id.model == 'res.partner':
             return record
         return None
diff --git a/openerp/addons/base/ir/ir_model.py b/openerp/addons/base/ir/ir_model.py
index 671c6a4c1f7..4d3f047ed1f 100644
--- a/openerp/addons/base/ir/ir_model.py
+++ b/openerp/addons/base/ir/ir_model.py
@@ -1148,30 +1148,8 @@ class ir_model_data(osv.osv):
         return res_id
 
     def ir_set(self, cr, uid, key, key2, name, models, value, replace=True, isobject=False, meta=None, xml_id=False):
-        if isinstance(models[0], (list, tuple)):
-            model,res_id = models[0]
-        else:
-            res_id=None
-            model = models[0]
-
-        if res_id:
-            where = ' and res_id=%s' % (res_id,)
-        else:
-            where = ' and (res_id is null)'
-
-        if key2:
-            where += ' and key2=\'%s\'' % (key2,)
-        else:
-            where += ' and (key2 is null)'
-
-        cr.execute('select * from ir_values where model=%s and key=%s and name=%s'+where,(model, key, name))
-        res = cr.fetchone()
         ir_values_obj = openerp.registry(cr.dbname)['ir.values']
-        if not res:
-            ir_values_obj.set(cr, uid, key, key2, name, models, value, replace, isobject, meta)
-        elif xml_id:
-            cr.execute('UPDATE ir_values set value=%s WHERE model=%s and key=%s and name=%s'+where,(value, model, key, name))
-            ir_values_obj.invalidate_cache(cr, uid, ['value'])
+        ir_values_obj.set(cr, uid, key, key2, name, models, value, replace, isobject, meta)
         return True
 
     def _module_data_uninstall(self, cr, uid, modules_to_remove, context=None):
diff --git a/openerp/addons/base/ir/ir_values.py b/openerp/addons/base/ir/ir_values.py
index 5d50a90c783..6186fb1bd45 100644
--- a/openerp/addons/base/ir/ir_values.py
+++ b/openerp/addons/base/ir/ir_values.py
@@ -1,11 +1,11 @@
 # -*- coding: utf-8 -*-
 # Part of Odoo. See LICENSE file for full copyright and licensing details.
-import pickle
 
 from openerp import tools
 from openerp.osv import osv, fields
 from openerp.exceptions import AccessError, MissingError
 from openerp.tools.translate import _
+from openerp.tools import pickle
 
 EXCLUDED_FIELDS = set((
     'report_sxw_content', 'report_rml_content', 'report_sxw', 'report_rml',
diff --git a/openerp/models.py b/openerp/models.py
index 321c477ce8b..6d56217d7e1 100644
--- a/openerp/models.py
+++ b/openerp/models.py
@@ -27,7 +27,6 @@ import functools
 import itertools
 import logging
 import operator
-import pickle
 import pytz
 import re
 import time
@@ -51,7 +50,7 @@ from .osv.query import Query
 from .tools import frozendict, lazy_property, ormcache, Collector
 from .tools.config import config
 from .tools.func import frame_codeinfo
-from .tools.misc import CountingStream, DEFAULT_SERVER_DATETIME_FORMAT, DEFAULT_SERVER_DATE_FORMAT
+from .tools.misc import CountingStream, DEFAULT_SERVER_DATETIME_FORMAT, DEFAULT_SERVER_DATE_FORMAT, pickle
 from .tools.safe_eval import safe_eval as eval
 from .tools.translate import _
 
diff --git a/openerp/tools/convert.py b/openerp/tools/convert.py
index 80540a98f2d..c81f668f838 100644
--- a/openerp/tools/convert.py
+++ b/openerp/tools/convert.py
@@ -5,7 +5,6 @@ import cStringIO
 import csv
 import logging
 import os.path
-import pickle
 import re
 import sys
 import time
@@ -26,7 +25,7 @@ import misc
 from config import config
 # List of etree._Element subclasses that we choose to ignore when parsing XML.
 from misc import SKIPPED_ELEMENT_TYPES
-from misc import unquote
+from misc import pickle, unquote
 from openerp import SUPERUSER_ID
 from translate import _
 from yaml_import import convert_yaml_import
diff --git a/openerp/tools/misc.py b/openerp/tools/misc.py
index b765cb6d7ca..122c87f89ce 100644
--- a/openerp/tools/misc.py
+++ b/openerp/tools/misc.py
@@ -7,6 +7,7 @@ Miscellaneous tools used by OpenERP.
 """
 
 from functools import wraps
+import cPickle
 import cProfile
 from contextlib import contextmanager
 import subprocess
@@ -19,6 +20,7 @@ import threading
 import time
 import werkzeug.utils
 import zipfile
+from cStringIO import StringIO
 from collections import defaultdict, Hashable, Iterable, Mapping, OrderedDict
 from itertools import islice, izip, groupby
 from lxml import etree
@@ -987,7 +989,6 @@ def stripped_sys_argv(*strip_args):
 
     return [x for i, x in enumerate(args) if not strip(args, i)]
 
-
 class ConstantMapping(Mapping):
     """
     An immutable mapping returning the provided value for every single key.
@@ -1168,4 +1169,21 @@ def _consteq(str1, str2):
         known length only, because length difference is optimized. """
     return len(str1) == len(str2) and sum(ord(x)^ord(y) for x, y in zip(str1, str2)) == 0
 
-consteq = getattr(passlib.utils, 'consteq', _consteq)
\ No newline at end of file
+consteq = getattr(passlib.utils, 'consteq', _consteq)
+
+class Pickle(object):
+    @classmethod
+    def load(cls, stream):
+        unpickler = cPickle.Unpickler(stream)
+        # pickle builtins: str/unicode, int/long, float, bool, tuple, list, dict, None
+        unpickler.find_global = None
+        return unpickler.load()
+
+    @classmethod
+    def loads(cls, text):
+        return cls.load(StringIO(text))
+
+    dumps = cPickle.dumps
+    dump = cPickle.dump
+
+pickle = Pickle